How does the energy in chemical bonds affect the energy in a chemical reaction?

The volume of gas when the pressure is 45 psi is 2,833.33mL.

The volume of a substance can be calculated using Boyle's law equation as follows:

P₁V₁ = P₂V₂

Where;

According to this question, a tank of carbondioxide has a pressure of 850 psi and a volume of 150 mL. The volume can be calculated as follows:

850 × 150 = 45 × V

V = 127,500 ÷ 45

V = 2,833.33mL

Therefore, 2,833.33mL is the volume of the gas.

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Doing a greater amount of work than the of work done on the machine is impossible for a machine to do. The energy given the system might loss some fraction and cannot be converted completely to output work.

Work done is a physical quantity that describes the result of a force or how effectively the force made a displacement. The force applied on a body if results in a displacement of the body, the force is said to be done work on the body.

Work done is a vector quantity, having both magnitude and direction. According to thermodynamic concept, then it is impossible to convert all the input energy into work done.

It is impossible to achieve a 100% of efficiency or more by a machine. Hence, doing greater amount of work than the input is impossible for a machine.

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Answer:

A or do a greater amount of work than the amount of work done on the machine

Explanation:

Bc i did the test in edge

Both Kelvin and Fahrenheit are temperature scales.F = 1.8*(K-273) + 32 is the simplest formula for converting between Kelvin and Fahrenheit.

In keeping with past centigrade scales, Kelvin prudently suggested that the temperature range between the ice point and the steam point initially be specified as 100 degrees. A temperature scale, which we use to determine temperature, is present on every thermometer

The Standard International (SI) unit of thermodynamic temperature is the kelvin (abbreviation K), often known less frequently as the degree Kelvin (symbol, o K). The formal definition of one kelvin is 1/273.16 (3.6609 x 10 -3) of the thermodynamic temperature of pure water's triple point (H 2 O).

Formula

This simple formula states that to find Kelvin temperature (K).

The temperature is increased numerically by 273 to translate from the Celsius scale to the Kelvin scale. As a result, the kelvin scale and the Celsius scale have the following relationships.

The temperature scale known as the Fahrenheit scale was first proposed by physicist Daniel Gabriel Fahrenheit in 1724. (1686–1736). The unit is the degree Fahrenheit, represented by the symbol °F. There are a number of tales of how he initially created his scale, but the original publication states that the lower defining point, 0 °F, was set as the freezing temperature of a brine solution made from a combination of water, ice, and ammonium chloride (a salt). His best estimate of the average human body temperature, originally set at 90 °F and then 96 °F (about 2.6 °F less than the current figure due to a later revision of the scale), was the other limit established.

Fahrenheit to Celsius conversion

0 degrees Fahrenheit is equal to -17.77778 degrees Celsius:

0 °F = -17.77778 °C

The temperature T in degrees Celsius (°C) is equal to the temperature T in degrees Fahrenheit (°F) minus 32, times 5/9:

T(°C) = (T(°F) - 32) × 5/9

Fahrenheit to Kelvin conversion

The temperature T in Kelvin (K) is equal to the temperature T in degrees Fahrenheit (°F) plus 459.67, times 5/9:

T(K) = (T(°F) + 459.67)× 5/9

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Based on the kinetic theory of gases, scientists could infer from Robert Boyle’s Law that an inverse relationship exists between the pressure of gases and their volume if the temperature is kept constant because the decrease in the volume of the vessel containing the gases will result in less room for movement of the gases and hence, the frequency of collisions increases and subsequently the pressure of the gases will increase.

According to the kinetic theory of gases, a gas is made up of numerous submicroscopic particles (atoms or molecules), all of which are moving randomly and continuously. The container's walls and the quickly moving particles frequently collide in this situation resulting in the gas pressure.

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Answer: K=8, C=1, O=12

Explanation:

Sulfanilamide (NH2-SO2-NH-C6H4-NH2) can be represented by the following Lewis structure.

What is the Lewis structure?

The Lewis structure for a molecule is a type of structural formula that shows how the atoms are bonded together in a molecule. It uses symbols to represent the elements and to show the number of valence electrons. It also shows the number of covalent bonds between the atoms and any lone pairs of electrons.

N-H  |  S=O  |  N-C=C-C=C-C=C-N

H   |       |   H

H   |       |   H

H   |       |   H

The Lewis structure of sulfanilamide (NH2-SO2-NH-C6H4-NH2) consists of two nitrogen atoms, two oxygen atoms, and six hydrogen atoms. The two nitrogen atoms are bonded to each other by a double bond, and each nitrogen is also bonded to two hydrogen atoms. The two oxygen atoms are both single bonded to the two nitrogen atoms, and each oxygen is also bonded to one hydrogen atom. The six hydrogen atoms are all single bonded to the other atoms in the structure.

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The wavelength of the green light radiation that has a frequency of 6.26 x 10¹⁴ Hz is 4.8 x 10⁻⁷.

Given data :

As, c = ∧ v

So, ∧ = c / v

    ∧ = 3.00 x 10⁸ / 6.26 x 10¹⁴

    ∧ = 4.8 x 10⁻⁷    

Thus, the wavelength of the green light radiation that has a frequency of 6.26 x 10¹⁴ Hz is 4.8 x 10⁻⁷.

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The plasma membrane provides protection for cell contents.

Explore (pg. 4)

The plasma membrane is made up of molecules in two layers which we call the phospholipids bilayer.

The layers are made of molecules called phospholipids.

They have a hydrophilic head and a hydrophobic tail.

The hydrophilic head faces out towards the cytoplasm

Molecules get inside and outside the cell by endocytosis or exocytosis.

To bring something inside the cell is called endocytosis.

To bring something outside the cell is called

exocytosis.

The cell membrane or plasma membrane is the outermost covering of cells that separates and protects the interior of all cells from the outside environment.

The plasma membrane allows molecules to enter or leave the cell by endocytosis or exocytosis.

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Answer:

zygote

embryo

elephant,calf,penguin

frogs, snake, butterfly

It is  measuring out to be 970 ml instead of 1,000 ml because while mixing there is probability that missing 30 ml of mixture is evaporated as it has isopropyl alcohol which has high volatility according to forces of attraction.

Forces of attraction  is a force by which atoms in a molecule  combine. it is basically an attractive force in nature.  It can act between an ion  and an atom as well.It varies for different states  of matter that is solids, liquids and gases.

The forces of attraction are maximum in solids as  the molecules present in solid are tightly held while it is minimum in gases as the molecules are far apart . The forces of attraction in liquids is intermediate of solids and gases.

The physical properties such as melting point, boiling point, density  are all dependent on forces of attraction which exists in the substances.

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Answer: hey sorry im late but i think this will help with ur answer

Osmosis is the diffusion of water molecules through a selectively permeable membrane, from an area of higher concentration to an area of lower concentration. In the context of water splitting, osmosis is needed to make the process more efficient because it helps to separate the hydrogen and oxygen ions that are produced during the process.

When the water is split into hydrogen and oxygen, the hydrogen ions and oxygen ions will tend to want to recombine because they have an electrostatic attraction towards each other. If they recombine, it would be difficult to separate them again. But by using osmosis, we can separate the hydrogen ions and oxygen ions by creating a selectively permeable membrane which only allows water molecules to pass through but not the hydrogen and oxygen ions. This way, we can keep the hydrogen and oxygen ions separate, and prevent them from recombining.

Additionally, water splitting process requires a high energy input to separate hydrogen and oxygen from water. Osmosis can be used to decrease the energy input required for water splitting by creating a concentration gradient. This is because the concentration gradient can be used to drive the water splitting reaction, allowing it to occur at lower energy inputs, making the process more efficient.

In summary, osmosis plays a crucial role in making water splitting work efficiently by providing a way to separate the hydrogen and oxygen ions produced during the process and by decreasing the energy input required for water splitting by creating a concentration gradient.

Explanation:

Because we obtain a significantly lower faradaic efficiency with saltwater, we are aware that it cannot be converted into hydrogen gas as effectively as pure water. Without osmosis, the Cl- in the saltwater produces side reactions that reduce the efficiency of water splitting.

What is Osmosis?

Osmosis is a passive process that doesn't require any energy to complete. In order for the concentrations on either side of the membrane to be equal, molecules must shift from an area of higher concentration to one of lower concentration.

Any solvent, including gases and supercritical liquids, can go through the osmosis process.

Let's take a closer look at the various forms and consequences of osmosis.

Osmosis is the process by which solvents migrate from an area of lower solute concentration to one of higher solute concentration through a semi-permeable membrane. Instead, in diffusion, molecules migrate from an area of higher concentration to one of lower concentration without the need for a semi-permeable membrane.

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The number of C atoms in 0.522 mol of C is:

Nc = 0.522 mol * Avogadro's number

Nc = 0.522 mol * 6.022 x 10^23 atoms/mol

Nc = 3.145 x 10^23 atoms

So there are 3.145 x 10^23 atoms of C in 0.522 mol of C.

1,998.165 g of H2O  is equal to 111 moles of water.

What do you mean by Moles?

Moles are a unit of measure used in chemistry to express amounts of a substance. A mole is defined as the amount of a substance that contains Avogadro's number of molecules or atoms (6.02 x 1023). The mole is used to quantify the amount of a substance present in a sample. Moles are used to express the number of molecules or atoms in a given mass of a substance, the number of ions in a given volume of solution, and the amount of a substance that is produced in a reaction.

Step 1: Convert moles of water to grams of water

1 mole of water = 18.015 g of water

Step 2: Multiply moles of water by grams of water

111 moles x 18.015 g/mol = 1,998.165 g of water

Step 3: Convert grams of water to grams of H2O

1 g of water = 1g of H2O

Therefore, 111 moles of water is equal to 1,998.165 g of H2O.

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The statements about substances X and Y are true are Y is the solvent in this solution, The presence of Y in the solution lowers the vapor pressure of X and Pure Y has a higher vapor pressure than pure X. Therefore, option A, B and D are correct.

The mixing volume and enthalpy effects of a solution should be zero. The partial molar quantities and of the constituents are constant within the range of concentrations at which a solution is optimal.

Ideal solutions are those that follow Raoult's law throughout the entire concentration range. A solution is referred to as a non-ideal solution if it violates Raoult's law.

Thus, option A, B and D are correct.

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Answer: Engineering

Explanation: Hope this helps

Answer:

Plant cells contain two organelles that are essential for their functioning. These are the chloroplasts and the vacuoles. The chloroplasts are the organelles responsible for photosynthesis, which involves converting light energy from the sun into chemical energy in the form of glucose. Without chloroplasts, plants would not be able to produce their own food. The vacuoles are large organelles filled with fluid that serve to store nutrients and other materials. Vacuoles also help to maintain the turgor pressure of the cell, which is the pressure that helps to keep the cell rigid and prevents it from collapsing. Without vacuoles, plant cells would not be able to remain rigid and would collapse, leading to the death of the plant.

give me brainiest

Answer:

5.6L

Explanation:

16.0g. =?

(16.0×22.4)÷64.07

=5.5939

approximately 5.6L

Combined height of the two liquid layers in a cylinder is 11.65 cm.

In order to find the combined height of the two liquid layers in the cylinder, we need to find the individual heights of the heptane and water layers by using  the density and mass of each liquid to find the volume, and then use the volume and radius of the cylinder to find the height.

To find the volume of the heptane layer:

mass of heptane / density of heptane = 35.3 g / 0.684 g/mL = 51.7 mL

To find the volume of the water layer:

mass of water / density of water = 38.1 g / 1.00 g/mL = 38.1 mL

The radius of the cylinder:

diameter of cylinder / 2 = 3.04 cm / 2 = 1.52 cm

Height of the heptane layer:

volume of heptane / πr^2 = 51.7 mL / (3.14 x (1.52 cm)^2) = 6.66 cm

Height of water layer:

volume of water / πr^2 = 38.1 mL / (3.14 x (1.52 cm)^2) = 4.99 cm

Combined height of the two liquid layers:

height of heptane layer + height of water layer = 6.66 cm + 4.99 cm = 11.65 cm

So the combined height of the two liquid layers in the cylinder is 11.65 cm.

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Answer:

I'm not really sure how but here's the formula?

To calculate theoretical yield first check chemical equations are balanced.  Calculate the mole ratios of the reactants and products, Find the theoretical yield of the reaction.

Percent Yield = Mass of Actual Yield / Mass of Theoretical Yield x 100 percent.

The theoretical yield is the quantity of product that stoichiometry predicts will be produced, whereas the actual yield is the amount that is actually produced.

The yield of a reaction is used to represent how much of a product is produced from that reaction.

Thus, Divide the ratio by the limiting reactant's molecular weight. The answer is the theoretical yield of the desired product in moles.

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Energy, according to scientists, is the capacity for work. Because of the development of energy conversion technology, modern civilisation is feasible.

Calorie (cal) (cal). In more recent times, the calorie has been defined in terms of the joule; historically, this relationship has been referred to as the mechanical equivalent of heat. Joules is the energy unit used in the SI (J). The formula for joules is 1 kg*m2*s-2. The unit of energy known as a kilojoule (kJ) is 1000 joules.

The term "calorie" (Cal) refers to the amount of energy that is either contained in food or used by the body. A joule is equivalent to (roughly): the quantity of electricity needed to power a 1 W device for one second. the power necessary to move a 1 kg mass 1 m/s2 at a distance of 1 m. Nonrenewable and renewable energy sources can be divided into two categories.

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Answer:

AHO3 is a reported alias name for the human gene HDAC4, or 'histone deacetylase 4'. The 1084-amino acid protein is a member of the Histone deacetylase family, HD type 2 subfamily. The cellular localization is predicted to be cytoplasmic and nuclear.

Alumina, also called aluminum oxide, synthetically produced aluminum oxide, Al2O3

Acetic acid and isopropyl alcohol have different properties because they have different chemical structures.

Acetic acid, also known as ethanoic acid, is a carboxylic acid with the chemical formula CH3COOH. It contains a carboxyl group (-COOH) which gives it acidic properties, and it also has a methyl group (-CH3) attached to the carbon atom next to the carboxyl group.

Isopropyl alcohol, also known as isopropanol, has the chemical formula C3H8O. It is a simple alcohol, which means that it contains a hydroxyl group (-OH) attached to a carbon atom. This hydroxyl group gives it some of the characteristics of a polar solvent, but it does not have any acidic properties.

Due to these different structures, acetic acid is a stronger acid than isopropyl alcohol, and isopropyl alcohol is a better solvent for non-polar compounds. Additionally, Acetic acid is more viscous and has a higher boiling point than Isopropyl alcohol.

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a) The reaction equation is; [tex]2Al + 6HCl ---- > 2AlCl_{3} + 3H_{2}[/tex]

b) The limiting reactant is Al

c) The percent yeild is 95%

We can say that a reaction has taken place when there is the combination of two or substances in such a way that what we get is a new product. In the case of this reaction the combination is between aluminum and hydrochloric acid.

Number of moles of Al = 700g/27 g/mol

=25.9 moles

Number of moles of HCl = 3000g/36.5 g/mol

=82.2 moles

We have that;

2 moles of Al reacts with 6 moles of HCl

25.9 moles of Al reacts with 25.9 * 6/2

=77.7 moles

Al is the limiting reactant.

If 2 moles of Al produces 2 moles of aluminum chloride then  we have the theoretical yield as 25.9 moles.

or 25.9 moles * 133 g/mol =3445 g

Thus the percent yield is;

3262g /3445 g  * 100/1

= 95%

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Answer:TiCl4(l)+2Mg(s)→Ti(s)+2MgCl2(s)

Explanation: I looked it up and it said that this is the equation for your question.

Osmosis is a process of diffusion where a solvent, such as water, moves from an area of higher concentration to an area of lower concentration through a semi-permeable membrane.

What do you mean by diffusion?

Diffusion is the process by which particles of matter or energy disperse from areas of higher concentration to areas of lower concentration. This process can occur in liquids, gases, and solids. Diffusion occurs naturally as a result of random thermal motion of the particles.

Osmosis helps to equalize the concentration of the solvent on both sides of the membrane. It is important for the production of hydrogen because it can be used to separate hydrogen molecules from other components in a solution. By creating a difference in concentration of the solution, the hydrogen molecules will be forced to the side of the membrane with the higher concentration, allowing them to be collected.

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The phrase refers to a solution's basicity or acidity on a range of 0 to 14, with pH 7 representing neutrality. As the concentration of H+ ions in the solution rises, acidity rises and pH decreases, eventually falling below 7. (see Figure 1). The solution is basic when the pH is higher than 7.

Stronger bases are indicated by higher pH values, while stronger acids are indicated by lower pH values (alkalinity). Anything below 7 is basic, whereas anything above 7 is considered acidic.

Plaster, grout, stone, concrete, and tiling will all etch and deteriorate due to low pH water. Any vinyl surfaces will also start to fracture and rip more easily as they get brittle.

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Answer: 1395 grams of ice can be melted

Explanation:

To find the weight of ice that is melted by the heat liberated by condensing 180 g of superheated steam at 150°C, we need to use the following information:

The boiling point of water is 100°C

The heat of vaporization of water is 540 cal/g

The heat of fusion of ice is 80 cal/g

The specific heat of steam is 1.6 cal/g°C

First, we need to calculate the total heat energy released by the condensation of the steam. This can be found by using the heat of vaporization and the amount of steam being condensed:

180 g x 540 cal/g = 97200 cal

Next, we need to calculate the heat energy absorbed by the steam as it cools down from 150°C to 100°C. This can be found using the specific heat of steam and the change in temperature:

180 g x 1.6 cal/g°C x (100 - 150) = -14400 cal

Now, we can subtract the heat absorbed by the steam from the total heat released by the condensation to find the heat energy available to melt the ice:

97200 cal - (-14400 cal) = 111600 cal

Finally, we can divide this heat energy by the heat of fusion of ice to find the weight of ice that can be melted:

111600 cal / 80 cal/g = 1395 g

Therefore, 1395 grams of ice can be melted

The value of  Kc for each reaction. b. CH4(g) + H2O(g) ⇌ CO(g) + 3 H2(g) is Kp =[tex]7.7x10^24  mol^-1[/tex]

To calculate Kc for a reaction, we need to use the relationship between Kp and Kc, which is: Kc =[tex]Kp (RT)^(Δn)[/tex]

where R is the ideal gas constant, T is the temperature in Kelvin, and Δn is the change in the number of moles of gas in the reaction.

For the reaction: CH4(g) + H2O(g) ⇌ CO(g) + 3 H2(g)

Δn = (3 - 2) - (1 - 1) = 1

So, Kc =[tex]Kp (RT)^(Δn)[/tex]

At 298 K, R = 8.314 J/[tex]mol*K[/tex], so

Kc =[tex]7.7x10^24 (8.314 J/mol*K)(298 K)^1[/tex]

Kc = [tex]7.7x10^24 J/mol[/tex]

Since Kc is in Joules, we can convert it to an appropriate unit of concentration.

Kc=[tex]7.7x10^24 mol^-1[/tex]

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Kc ≈ 1.8 x 10⁻⁷ (at 298 K). It indicates a strong preference for the forward reaction, forming products, under the given conditions.

To calculate Kc for the given reaction, we need to use the relationship between Kc and Kp and the ideal gas law.

The relationship between Kc and Kp for a balanced chemical equation is:

[tex]Kp = Kc * (RT)^Δn[/tex]

Where:

Kp is the equilibrium constant in terms of partial pressures.

Kc is the equilibrium constant in terms of molar concentrations.

R is the ideal gas constant (8.314 J/(mol·K)).

T is the temperature in Kelvin.

Δn is the difference in the number of moles of gaseous products and gaseous reactants.

In the given reaction, Δn = (1 + 3) - (1 + 1) = 2.

Now, we can rearrange the equation to solve for Kc:

[tex]Kc = Kp / (RT)^Δn[/tex]

Given Kp = 7.7 x 10²⁴ and T = 298 K, and substituting the values, we get:

Kc ≈ (7.7 x 10²⁴) / [(8.314 J/(mol·K) * 298 K)²]

Kc ≈ 1.8 x 10⁻⁷

Thus, Kc for the reaction is approximately 1.8 x 10⁻⁷ at 298 K.

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AACGATC matches the strand AATGACT because it is the reverse complement of AATGACT.

In DNA, the nucleotides Adenine (A) always pairs with Thymine (T), and Cytosine (C) always pairs with Guanine (G) in the double helix structure.

By taking the reverse of a given DNA sequence and then replacing each base with its complement, you get the reverse complement of the original sequence.

So, in this case, AATGACT is the original sequence, by replacing A with T, T with A, G with C, and C with G we get the reverse complement of the sequence AACGATC.

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Answer: It is AACGATC

Number of significant figure in (6.4) (3.1416) is Two

Significant figures are the number of digits in a value, often a measurement, that contribute to the degree of accuracy of the value. We start counting significant figures at the first non-zero digit.

All non-zero numbers ARE significant.

Zeros between two non-zero digits ARE significant.

Leading zeros are NOT significant.

Trailing zeros to the right of the decimal ARE significant.

Trailing zeros in a whole number with the decimal shown ARE significant.

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Number of significant figure in (6.4) (3.1416) is Two

Significant figures are the number of digits that contribute to the accuracy of a value, frequently a measurement. The first non-zero digit is where we start counting significant figures.

Every number that is not zero IS significant.

Two non-zero digits separated by a zero are important.

Leading zeros have no real meaning.

Right after the decimal, trailing zeros ARE important.

The last two digits of a whole number with a decimal representation are important.

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